si5338b Silicon Laboratories, si5338b Datasheet - Page 6

• Manufacturer Part Number: si5338b
• Description: I2c-programmable Any-rate , Any-output Quad Clock Generator
• Manufacturer: Silicon Laboratories

Table 2. DC Characteristics (Continued)
(V
Reset to Microprocessor Access
Ready
POR to Output Clock Valid
(Pre-programmed Devices)
Downspread Spectrum
Modulation
Spread Spectrum Modulation
Rate
Spread Spectrum Amplitude
Reduction
Notes:
Si5338
6
Table 3. Input and Output Clock Characteristics
(V
Input Clock (AC Coupled Differential Input Clocks on Pins 1, 2, 5, 6)
Frequency
Differential Voltage
Swing
Rise/Fall Time
Duty Cycle
Input Impedance
Input Capacitance
Input Clock (Single-Ended Input Clock on Pins 3 and 4)
Frequency
Input Voltage
Input Voltage Swing
(HSTL Standard)
Input Voltage Swing
(CMOS Standard)
Rise/Fall Time
Duty Cycle
Input Capacitance
*Note: R divider must be used for output frequencies < 5 MHz. See "2.10. R Divider Considerations" on page 19.
DD
DD
1. See "2.10. R Divider Considerations" on page 19.
2. Maximum frequency may be limited in some configurations
= 1.8 V –5% to +10%, 2.5 V ±10%, or 3.3 V ±10%, T
= 1.8 V –5% to +10%, 2.5 V ±10%, or 3.3 V ±10%, T
Parameter
Parameter
Symbol
t
t
V
R
C
C
DC
DC
R
R
f
f
V
IN
IN
PP
/t
/t
IN
IN
IN
I
F
F
SS
Symbol
SS
SS
m
t
RDY
DOWN
RDY
MOD
RED
200 MHz, Tr/Tf = 1.3 ns
Input = 350 MHz,
Test Condition
Tr/Tf = .6 ns
SSTL/HSTL
20%–80%
20%–80%
< 2 ns tr/tf
< 2 ns tr/tf
CMOS
A
A
CLKn = 100 MHz
CLKn = 100 MHz
CLKn = 100 MHz
Test Condition
Rev. 0.3
= –40 to 85°C)
= –40 to 85 °C)
–0.1
Min
0.5
0.4
0.8
40
10
40
—
—
—
—
5
5
5
Min
30
—
—
—
8
Typ
3.5
—
—
—
—
—
—
—
—
—
—
—
—
2
–0.5
Typ
—
—
—
—
Max
—
33
16
2
2
Max
3.63
3.73
3.73
700
200
350
2.4
60
60
—
—
—
4
4
Unit
kHz
Units
ms
ms
dB
MHz
MHz
MHz
%
V
V
k
pF
pF
ns
ns
%
%
V
V
PP
PP